The Apart CM-4T is a passive in-ceilling 4" loudspeaker with up to a total of 15W at 16Ω with a built-in 100V / 70V / transformer, sensitivity 90dB, max SPL 103dB and it has 90Hz-19kHz frequency response. The installation depth is 74mm and the ceiling cutout diameter is 108mm.
Focal 300ICW4, 4-inch Flax Mid-bass 2-way in-wall or in-ceiling speaker with 1-inch (25 mm) aluminium tweeter. The recommended amplification power is between 25-100W at 8Ω, it has 88dB sensitivity and 80Hz-28kHz frequency response at +/-3dB.
Focal 1000 ICA6, 6.5-inch, in-ceiling coaxial speaker with 1-inch (25mm) Pure Beryllium inverted dome tweeter. The recommended amplification power is between 25-150W at 8Ω, it has 90.5dB sensitivity and 55Hz-40kHz bandwidth at +/-3dB
Focal 100 ICW5-T, in-wall/in-ceiling coaxial 2-way loudspeaker with 5 inch midrange speaker driver with Polyglass cone and a 1 inch (25mm) Aluminium tweeter. Ιt has an adjustable transformer which adjusts the power for a 70 volt/100 volt system.